Question
Present average age of 4 friends: βAβ, βBβ,
βCβ and βDβ is 36 years. If their ages are in the arithmetic progression in the same order and βDβ is 4 years older than βBβ, then find the sum of present ages of βAβ and βCβ.Solution
Common difference between ages = (4/2) = 2 years. So, let present ages of βAβ, βBβ, βCβ and βDβ be βxβ, (x + 2) years, (x + 4) years and (x + 6) years, respectively According to question: x + x + 2 + x + 4 + x + 6 = 144 Or, 4x = 132 Or, x = 33 years (Age of A) Present age of βCβ = x + 4 = 33 + 4 = 37 years Required sum = 33 + 37 = 70 years
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
Statements: F = G β€ H = J β€ I, K > L > O = I, D > M > F
Conclusions:
I. O β₯ F
II. D > G
III. K > F
Statement: N < O; M β₯ V; M β₯ R; V > O β₯ U
Conclusion:
I. O > R
II. R > U
Statements: Z > R = K β₯ X = N β₯ Q, F < B β€ Q
Conclusions:
I. X β₯ F
II. B β€ K
III. R > F
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is/are definitely true and th...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
Statements: N < G β₯ F > E β₯ D, D = O β₯ I > P
Conclusions:
I. D < G
II. N > I
III. P < E
Statements: B ≤ I; E = D; H > F; C ≤ H; I = D; A ≤ B; H < E
Conclusions:
(i) I > F
(ii) B ≤ H
(iii)...
Statements: E $ N, N * G, H % E
Conclusions: a) G # H Β Β Β b) H $ N
Which of the following symbols should be placed in the blank spaces, respectively ( in the same order from left to right ) in order to complete the give...